Packing sealing ring of gas compressor
By designing a locking plate and rubber sealing layer structure made of polyurethane rubber and aluminum alloy, the problems of easy damage and insufficient sealing performance of the packing sealing ring of the gas compressor were solved, resulting in a longer service life and better sealing effect.
Patent Information
- Application Number
- CN202520281091.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing gas compressor packing sealing rings have complex structures, are easily damaged, affect sealing performance, and are prone to deformation in high-temperature environments, resulting in a short service life.
A structure comprising a first locking plate, a first rubber sealing layer, a packing ring, a second rubber sealing layer, and a second locking plate is designed. It is made of polyurethane rubber and aluminum alloy and is connected by locking screws to enhance the wear resistance, corrosion resistance, and sealing effect of the sealing ring.
It improves the service life and sealing performance of the sealing ring, avoids deformation under high temperature conditions, has a simple structure, is easy to install, enhances the sealing effect, and reduces the risk of wear.
Smart Images

Figure CN223662564U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to compressor sealing technical field more specifically, the utility model relates to a kind of gas compressor packing seal ring. BACKGROUND
[0002] Gas compressor is a kind of power device that converts mechanical energy into gas pressure energy, commonly used in pneumatic tool to provide gas power, and is also commonly used in petroleum chemical industry, drilling, metallurgy and other industries to compress oxygen, hydrogen, ammonia, natural gas, coke oven gas, inert gas and other media, according to the exhaust pressure, the compressor can be divided into low-pressure compressor (exhaust pressure less than 1.0MPa), medium-pressure compressor (exhaust pressure 1.0MPa~10MPa), high-pressure compressor (exhaust pressure 10MPa~100MPa) and super-high pressure compressor (exhaust pressure greater than 100MPa). In order to avoid the sealing performance of gas compressor, the sealing element is required to be high, for example, the patent of the prior art announcement No.CN216867497U discloses a kind of gas compressor packing seal ring, the sealing gasket is taken as a whole, then the fixed ring one side is set on the piston rod of gas compressor, the fixed ring is close to gas compressor, and the top plate is close to the outside, forming installation, when the piston rod moves, it is pulled up when extracted, at this time, the soft rubber plate and the sealing gasket are attached to the inner wall of the piston cylinder, and the sealing gasket is attached to the soft rubber plate to form a seal when sliding up and down.
[0003] The above device improves the sealing performance of the sealing ring when in use, directly avoids the occurrence of air leakage after the sealing ring is put into use, makes the air compressor more stable when in use, and does not worry that the air compressor will leak to reduce the performance of compressed air, which brings protection to the whole working process and makes the use effect of the sealing ring better, which is convenient for people to use, but the structure is relatively complex, and single component is easy to be damaged, and the sealing gasket will leave a gap at the edge after being inclined, which will affect the sealing performance of the sealing ring. UTILITY MODEL CONTENTS
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of gas compressor packing seal ring, and the technical problems to be solved by the utility model are: how to increase the service life and installation sealing performance of the sealing ring.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of gas compressor packing seal ring, including first locking plate, the outer portion of the lower end of the first locking plate is provided with first rubber sealing layer, the outer portion of the lower end of the first rubber sealing layer is provided with packing ring, the inner end face of the packing ring is provided with reinforcing plate, the outer portion of the lower end of the packing ring is provided with second rubber sealing layer, and the outer portion of the lower end of the second rubber sealing layer is provided with second locking plate.
[0006] The lower end of the first locking plate is provided with a first limiting protrusion, the middle part of the upper end of the first rubber sealing layer is provided with a first adapter groove, the lower end of the second rubber sealing layer is provided with a second adapter groove, and the middle part of the upper end of the second locking plate is provided with a second limiting protrusion.
[0007] In a preferred embodiment, the upper end of the first locking plate is provided with a locking mounting groove, and the inside of the locking mounting groove is provided with a locking screw;
[0008] The second locking plate has a threaded hole on its end face, and the outer end face of the locking screw is adapted to the inner end face of the threaded hole by thread engagement.
[0009] In a preferred embodiment, the locking mounting groove, locking screw and mounting threaded hole are all provided in multiple quantities, and are arranged in a ring array outside the center point of the first locking plate in the top view direction.
[0010] The height of the upper end face of the locking screw in the main viewing direction is lower than the height of the upper end face of the first locking plate in the main viewing direction.
[0011] In a preferred embodiment, the first rubber sealing layer and the second rubber sealing layer have the same specifications, and both the first rubber sealing layer and the second rubber sealing layer are made of polyurethane rubber.
[0012] The packing ring is made of asbestos resin, and the reinforcing plate is made of aluminum alloy.
[0013] In a preferred embodiment, the first locking plate and the second locking plate have the same specifications and are set in a mirror image state in the main viewing direction. Both the first locking plate and the second locking plate are made of aluminum alloy.
[0014] The outer end face of the second limiting protrusion in the main viewing direction is in contact with the inner end face of the second adapter groove in the main viewing direction, and the outer end face of the first limiting protrusion in the main viewing direction is adapted to the inner end face of the first adapter groove in the main viewing direction.
[0015] In a preferred embodiment, the first locking plate and the first rubber sealing layer are coplanar on their upper surfaces in the main viewing direction, and the inner and outer diameters of the first rubber sealing layer, the packing ring, and the second rubber sealing layer are the same in the top viewing direction.
[0016] The diameter of the inner end face of the first locking plate in the top view direction is greater than the diameter of the inner end face of the first rubber sealing layer in the top view direction, and the diameter of the outer end of the first locking plate in the top view direction is smaller than the diameter of the outer end of the first rubber sealing layer in the top view direction.
[0017] The technical effects and advantages of this utility model are as follows:
[0018] In practical use, the corresponding arrangement of the packing ring and reinforcing plate effectively increases the wear resistance and corrosion resistance of the packing ring, enabling it to resist external erosion and thus achieve a longer service life. It also enhances the high-temperature resistance of the sealing ring. Furthermore, the corresponding arrangement of the first and second rubber sealing layers effectively improves the sealing effect of the sealing ring. The corresponding arrangement of the first locking plate, second locking plate, and locking screw facilitates the locking connection of the first locking plate, first rubber sealing layer, packing ring, second rubber sealing layer, and second locking plate. Through their combined action, the sealing effect and service life of the sealing ring are effectively increased, preventing deformation of the sealing ring under high-temperature environments, which would affect its sealing performance. The structure is simple, installation is convenient, and it avoids affecting the assembly of the sealing ring. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the overall front view cross-sectional structure of this utility model.
[0021] Figure 3 This is a schematic diagram of the overall cross-sectional connection structure of this utility model.
[0022] Figure 4 This utility model Figure 2 Enlarged structural diagram of section A in the middle.
[0023] The attached figures are labeled as follows: 1 First locking plate, 2 First rubber sealing layer, 3 Packing ring, 4 Second rubber sealing layer, 5 Locking mounting groove, 6 Second locking plate, 7 Second limiting protrusion, 8 Mounting threaded hole, 9 Second adapter groove, 10 First limiting protrusion, 11 First adapter groove, 12 Locking screw, 13 Reinforcing plate. Detailed Implementation
[0024] This utility model provides a packing sealing ring for a gas compressor, such as... Figure 1 and 2 As shown, it includes a first locking plate 1, a first rubber sealing layer 2 is provided on the lower outer side of the first rubber sealing layer 2, a packing ring 3 is provided on the lower outer side of the first rubber sealing layer 2, a second rubber sealing layer 4 is provided on the lower outer side of the packing ring 3, and a locking mounting groove 5 is provided on the upper end of the first locking plate 1.
[0025] The locking mounting groove 5 is provided with a locking screw 12. The height of the upper end face of the locking screw 12 in the main viewing direction is lower than the height of the upper end face of the first locking plate 1 in the main viewing direction. The first rubber sealing layer 2 and the second rubber sealing layer 4 have the same specifications.
[0026] Both the first rubber sealing layer 2 and the second rubber sealing layer 4 are made of polyurethane rubber, and the filler ring 3 is made of asbestos resin. The first locking plate 1 and the first rubber sealing layer 2 are coplanar on their upper surfaces in the main view direction. The inner and outer diameters of the first rubber sealing layer 2, the filler ring 3 and the second rubber sealing layer 4 are the same in the top view direction, which can effectively increase the sealing performance and stability of their installation.
[0027] The diameter of the inner end face of the first locking plate 1 in the top view direction is larger than the diameter of the inner end face of the first rubber sealing layer 2 in the top view direction, and the diameter of the outer end of the first locking plate 1 in the top view direction is smaller than the diameter of the outer end of the first rubber sealing layer 2 in the top view direction. This can prevent the first locking plate 1 from contacting the installation part of the gas compressor after installation, and avoid causing wear to the inside of the gas compressor.
[0028] like Figure 3 and 4 As shown, the inner end face of the packing ring 3 is provided with a reinforcing plate 13, the lower end of the second rubber sealing layer 4 is provided with a second locking plate 6, the lower end of the first locking plate 1 is provided with a first limiting protrusion 10, the middle part of the upper end of the first rubber sealing layer 2 is provided with a first adapter groove 11, and the lower end of the second rubber sealing layer 4 is provided with a second adapter groove 9.
[0029] The second locking plate 6 has a second limiting protrusion 7 at the middle of its upper end. Multiple locking mounting grooves 5, locking screws 12, and mounting threaded holes 8 are provided, arranged in a ring array outside the center point of the first locking plate 1 in a top-view direction. The locking screws 12 can lock and fix the first locking plate 1, the first rubber sealing layer 2, the packing ring 3, the second rubber sealing layer 4, and the second locking plate 6, thereby increasing the sealing effect on the gas compressor through the first rubber sealing layer 2, the packing ring 3, and the second rubber sealing layer 4. The reinforcing plate 13 is made of aluminum alloy, and through the combined action of the first locking plate 1, the second locking plate 6, and the reinforcing plate 13, it can effectively increase the working strength of the first rubber sealing layer 2, the packing ring 3, and the second rubber sealing layer 4, ensuring their service life. The first locking plate 1 and the second locking plate 6 have the same specifications and are arranged in a mirror image in the main view direction.
[0030] The first locking plate 1 and the second locking plate 6 are both made of aluminum alloy. The outer end face of the second limiting protrusion 7 in the main viewing direction is in contact with the inner end face of the second adapter groove 9 in the main viewing direction. The outer end face of the first limiting protrusion 10 in the main viewing direction is adapted to the inner end face of the first adapter groove 11 in the main viewing direction.
[0031] Working principle of this utility model:
[0032] When using this utility model, the operator installs the second rubber sealing layer 4 on the upper end of the second locking plate 6, and fits the second adapter groove 9 onto the upper end of the second limiting protrusion 7. Then, the filler ring 3 is attached to the upper end of the second rubber sealing layer 4, and the first rubber sealing layer 2 is attached to the upper end of the filler ring 3. Then, the first locking plate 1 is installed on the upper end of the first rubber sealing layer 2, and the first limiting protrusion 10 is locked inside the first adapter groove 11. Then, the operator can insert the locking screw 12 into the locking mounting groove 5 and the mounting threaded hole 8, and lock it in place for use.
[0033] Finally, it should be noted that: the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A packing seal ring for a gas compressor, characterized in that, include: The first locking plate (1) has a first rubber sealing layer (2) on the outside of its lower end, a packing ring (3) on the outside of the lower end of the first rubber sealing layer (2), a reinforcing plate (13) on the inner end face of the packing ring (3), a second rubber sealing layer (4) on the outside of the lower end of the packing ring (3), and a second locking plate (6) on the outside of the lower end of the second rubber sealing layer (4). The first locking plate (1) has a first limiting protrusion (10) at its lower end, the first rubber sealing layer (2) has a first adapter groove (11) at the middle of its upper end, the second rubber sealing layer (4) has a second adapter groove (9) at its lower end, and the second locking plate (6) has a second limiting protrusion (7) at the middle of its upper end.
2. The gas compressor packing sealing ring according to claim 1, characterized in that: The upper end of the first locking plate (1) is provided with a locking mounting groove (5), and the inside of the locking mounting groove (5) is provided with a locking screw (12); The second locking plate (6) has a threaded hole (8) on its end face, and the outer end face of the locking screw (12) is adapted to the inner end face of the threaded hole (8) by threaded engagement.
3. A gas compressor packing sealing ring according to claim 2, characterized in that: The locking mounting groove (5), locking screw (12) and mounting threaded hole (8) are provided in multiple quantities and are arranged in a ring array outside the center point of the first locking plate (1) in the top view direction; The height of the upper end face of the locking screw (12) in the main viewing direction is lower than the height of the upper end face of the first locking plate (1) in the main viewing direction.
4. A gas compressor packing sealing ring according to claim 1, characterized in that: The first rubber sealing layer (2) and the second rubber sealing layer (4) have the same specifications, and both the first rubber sealing layer (2) and the second rubber sealing layer (4) are made of polyurethane rubber. The packing ring (3) is made of asbestos resin, and the reinforcing plate (13) is made of aluminum alloy.
5. A gas compressor packing sealing ring according to claim 1, characterized in that: The first locking plate (1) and the second locking plate (6) have the same specifications and are set in a mirror image state in the main viewing direction. The first locking plate (1) and the second locking plate (6) are both made of aluminum alloy. The second limiting protrusion (7) is in contact with the outer end face of the second adapter groove (9) in the main viewing direction, and the first limiting protrusion (10) is in contact with the outer end face of the first adapter groove (11) in the main viewing direction.
6. A gas compressor packing sealing ring according to claim 1, characterized in that: The first locking plate (1) and the first rubber sealing layer (2) are coplanar on their upper surfaces in the main view direction. The inner and outer diameters of the first rubber sealing layer (2), the packing ring (3), and the second rubber sealing layer (4) are the same in the top view direction. The diameter of the inner end face of the first locking plate (1) in the top view direction is greater than the diameter of the inner end face of the first rubber sealing layer (2) in the top view direction, and the diameter of the outer end of the first locking plate (1) in the top view direction is smaller than the diameter of the outer end of the first rubber sealing layer (2) in the top view direction.